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Finding the Third Proportional to 204,820 and 310,092

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Solution

The third proportional to 204,820 and 310,092 is: 469,470.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,820 : 310,092 = 310,092 : x
  2. Step 2: Convert to fraction form
    204,820/310,092 = 310,092/x
  3. Step 3: Cross multiply
    204,820x = 310,092 × 310,092
  4. Step 4: Simplify right side
    204,820x = 96,157,048,464
  5. Step 5: Solve for x
    x = 96,157,048,464/204,820
  6. Step 6: Final answer
    x = 469,470.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.